diff --git a/Snapshot.go b/Snapshot.go
index 17a63a6..7911028 100644
--- a/Snapshot.go
+++ b/Snapshot.go
@@ -17,7 +17,7 @@ type SnapshotRecord struct {
 }
 
 type SnapshotSubmission struct {
-	Timestamp float32 `json:"time"`
+	Timestamp string `json:"time"`
 	Temp float32 `json:"temp"`
 	Humidity float32 `json:"humidity"`
 	Co2 float32 `json:"co2"`